3. Motor Propeller wrench Screw Nut (2) Cylinder top Tiny screw IGNORE:

4. Place the propeller on the screw Tighten a nut behind it Tighten another nut midway up the screw

5. Using small pliers, remove the cap from the motor

6. Place cylinder top on motor Make sure hole is directed at the flat side Place screw on wrench Screw into cylinder top

7. Tighten screw into cylinder top Tighten nut onto cylinder top **When finished with propeller, use lock- tight glue to secure nuts and propeller. DO NOT use lock-tight glue if you plan to rebuild propellers with students.

9. Use specialized pieces as propeller mounts!

10. How will propeller placement effect speed/maneuverability? Where on the ROV? Close together? Far apart? In frame? Out of frame? Think about morning activity

12. What are your ideas?